CN218134031U - F-shaped steel rolling cogging pass - Google Patents
F-shaped steel rolling cogging pass Download PDFInfo
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- CN218134031U CN218134031U CN202222291391.XU CN202222291391U CN218134031U CN 218134031 U CN218134031 U CN 218134031U CN 202222291391 U CN202222291391 U CN 202222291391U CN 218134031 U CN218134031 U CN 218134031U
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Abstract
The utility model discloses a F-shaped steel rolling cogging pass, which comprises an upper roll collar, wherein a first installation roller is arranged in the upper roll collar in a penetrating way, the outer surface of the upper roll collar is provided with an upper roll pass middle wedge-shaped groove, and upper roll pass oblique lines are arranged on two sides of the inner wall of the upper roll pass middle wedge-shaped groove; the lower roll collar is arranged below the upper roll collar, a lower roll pass middle wedge-shaped groove is formed in the outer surface of the lower roll collar, lower roll pass oblique lines are arranged on two sides of the inner wall of the lower roll pass middle wedge-shaped groove, and a second installation roll is arranged in the lower roll collar in a penetrating mode; and the limiting baffle is arranged on the left side of the upper roll collar. According to the cogging pass designed by the method, the gap between the upper roll collar and the lower roll collar enables the subsequent pass to be filled more easily on the length of the leg part, so that the metal quantity of the leg part of the finish rolling pass is enough, and the designed size can be achieved.
Description
Technical Field
The utility model relates to a maglev train is production technical field of deformed steel for the track specifically is a rolling cogging pass of F shaped steel.
Background
Because the section of the shape is difficult to be hot-rolled and formed, the requirement of the dimensional deviation of the finished product is wide in the initial F-shaped steel rolling process, and a large amount of mechanical processing is needed in the later use process, so that the finished product is equivalent to a blank.
The size deviation requirement of the F-shaped steel pressed by the existing F-shaped steel rolling cogging pass is tighter, the deviation of the existing F-shaped steel rolling cogging pass exceeds the deviation of the conventional type steel, the product size control difficulty is high, the metal quantity of the leg part of the finish rolling pass cannot be ensured to be enough, and the designed size cannot be achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a F shaped steel rolling cogging pass to provide the F shaped steel that current F shaped steel rolling cogging pass suppression comes out in solving above-mentioned background art, the size deviation requires tighter, has surpassed the deviation of conventional shaped steel variety, and the product size control degree of difficulty is big, and the metal volume that can't ensure to supply the finish rolling pass shank is enough, can not reach the problem of design size.
In order to achieve the above object, the utility model provides a following technical scheme: a cogging pass for rolling F-shaped steel comprises an upper roll collar, wherein a first mounting roll penetrates through the upper roll collar, an upper roll pass middle wedge-shaped groove is formed in the outer surface of the upper roll collar, and upper roll pass oblique lines are arranged on two sides of the inner wall of the upper roll pass middle wedge-shaped groove;
the lower roll collar is installed below the upper roll collar, a lower roll pass middle wedge-shaped groove is formed in the outer surface of the lower roll collar, lower roll pass oblique lines are arranged on two sides of the inner wall of the lower roll pass middle wedge-shaped groove, and a second installation roll is arranged in the lower roll collar in a penetrating mode.
Preferably, the connection part of the upper roll pass middle wedge-shaped groove and the upper roll pass oblique line is of an arc-shaped structure, and the connection part of the lower roll pass oblique line and the lower roll pass middle wedge-shaped groove is of an arc-shaped structure.
Preferably, the gap between the left end of the upper roll collar and the left end of the lower roll collar is smaller than the gap between the right end of the upper roll collar and the right end of the lower roll collar, and the shape size of the middle wedge-shaped groove of the upper roll pass is smaller than that of the middle wedge-shaped groove of the lower roll pass.
Preferably, the upper roll collar is further provided with:
the limiting baffle is installed on the left side of the upper roll collar, a positioning mounting hole is formed in the upper roll collar, a limiting connecting column is installed inside the positioning mounting hole, a connecting thread portion is arranged on the right side of the outer surface of the limiting connecting column, and a fixing bolt is installed on the right side of the upper roll collar.
Preferably, the first mounting roller is fixedly connected with the limiting baffle in an integrated manner, and the diameter of the limiting baffle is larger than that of the first mounting roller.
Preferably, the limiting baffle is fixedly connected with the limiting connecting column in an integrated mode, and the limiting connecting column penetrates through the positioning mounting hole.
Preferably, the fixing bolt is in threaded connection with the limiting connecting column through the connecting thread part, and the upper roll ring is detachably connected with the first mounting roller through the limiting baffle, the limiting connecting column, the fixing bolt, the positioning mounting hole and the connecting thread part.
Compared with the prior art, the utility model provides a rolling cogging pass of F shaped steel possesses following beneficial effect: according to the cogging pass designed by the method, the gap between the upper roll collar and the lower roll collar enables the subsequent pass to be filled more easily on the length of the leg part, so that the metal quantity of the leg part of the finish rolling pass is enough, and the designed size can be achieved.
1. The utility model, through the cogging pass designed by the method, the gap between the upper roll collar and the lower roll collar ensures that the subsequent pass is more easily filled in the length of the leg part, and ensures that the metal quantity of the leg part of the finish rolling pass is enough to reach the design size;
2. the utility model discloses a limit baffle, spacing spliced pole, fixing bolt, location mounting hole and connecting thread portion make the installation between last collars and the first installation roller become simple and convenient with the dismantlement operation to in the last collars of change wearing and tearing damage, avoid changing whole roll.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the upper roll collar and the first mounting roll of the present invention;
FIG. 3 is a right side view of the structure of the present invention;
fig. 4 is an enlarged schematic structural view of a in fig. 2 according to the present invention.
In the figure: 1. an upper roll collar; 2. a first mounting roller; 3. a limiting baffle; 4. a lower roll pass slash; 5. a second mounting roller; 6. a lower roll pass middle wedge groove; 7. an upper roll pass middle wedge-shaped groove; 8. an upper roll pass slash; 9. a lower roll collar; 10. a limiting connecting column; 11. fixing the bolt; 12. positioning the mounting hole; 13. connecting the threaded part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, an F-shaped steel rolling cogging pass comprises an upper roll collar 1, a first installation roll 2 penetrates through the upper roll collar 1, an upper roll pass middle wedge-shaped groove 7 is formed in the outer surface of the upper roll collar 1, and upper roll pass oblique lines 8 are arranged on two sides of the inner wall of the upper roll pass middle wedge-shaped groove 7; the lower roll ring 9 is arranged below the upper roll ring 1, and the outer surface of the lower roll ring 9 is provided with a lower roll pass type middle wedge-shaped groove 6; the gap between the left end of the upper roll collar 1 and the left end of the lower roll collar 9 is smaller than the gap between the right end of the upper roll collar 1 and the right end of the lower roll collar 9, the shape and the size of the middle wedge-shaped groove 7 of the upper roll pass are smaller than the shape and the size of the middle wedge-shaped groove 6 of the lower roll pass, and lower roll pass oblique lines 4 are arranged on two sides of the inner wall of the middle wedge-shaped groove 6 of the lower roll pass; the joint of the upper roll pass middle wedge-shaped groove 7 and the upper roll pass oblique line 8 is of an arc-shaped structure, the joint of the lower roll pass oblique line 4 and the lower roll pass middle wedge-shaped groove 6 is of an arc-shaped structure, and a second mounting roll 5 penetrates through the inner part of the lower roll collar 9; the cogging pass designed by the method has the advantages that the gap between the upper roll ring 1 and the lower roll ring 9 ensures that the subsequent pass can be filled more easily on the length of the leg part, and the metal quantity of the leg part of the finish rolling pass is enough to reach the designed size.
Referring to fig. 2-4, an F-shaped steel rolling cogging pass includes a limit baffle 3 installed at the left side of an upper roll collar 1; the first mounting roller 2 and the limiting baffle 3 are fixedly connected in an integrated manner, the diameter size of the limiting baffle 3 is larger than that of the first mounting roller 2, and a positioning mounting hole 12 is formed in the upper roll collar 1; the limiting baffle 3 is fixedly connected with the limiting connecting column 10 in an integrated manner, the limiting connecting column 10 penetrates through the inside of the positioning and mounting hole 12, the limiting connecting column 10 is mounted inside the positioning and mounting hole 12, a connecting thread part 13 is arranged on the right side of the outer surface of the limiting connecting column 10, and a fixing bolt 11 is mounted on the right side of the upper roll collar 1; the fixed bolt 11 is in threaded connection with the limiting connecting column 10 through the connecting thread part 13, and the upper roll ring 1 is detachably connected with the first mounting roller 2 through the limiting baffle 3, the limiting connecting column 10, the fixed bolt 11, the positioning mounting hole 12 and the connecting thread part 13; make installation and dismantlement operation between last collars 1 and the first installation roller 2 become simple and convenient through limit baffle 3, limit connection post 10, fixing bolt 11, location mounting hole 12 and connecting thread portion 13 to in the last collars 1 of change wearing and tearing damage, avoid changing whole roll.
The working principle is as follows: when the F-shaped steel is used for rolling a cogging caliber, firstly, a rolling piece with flanges on the left side and the right side is manufactured by mutually matching a gap between an upper roll collar 1 and a lower roll collar 9, and a gap between the upper roll collar 1 and the lower roll collar 9 with an upper roll caliber middle wedge-shaped groove 7 and a lower roll caliber middle wedge-shaped groove 6 on the surfaces of the upper roll collar 1 and the lower roll collar 9, after the rolling of the caliber, enough metal widening quantity is provided for a lower caliber deep hole cutting leg part, the length of the deep hole cutting leg part can reach the expected target, then when the upper roll collar 1 is worn and damaged, a fixing bolt 11 is unscrewed to push the upper roll collar 1, so that a limiting connecting column 10 is withdrawn from a positioning mounting hole 12, further, the upper roll collar 1 is dismounted from a first mounting roll 2, the new upper roll collar 1 can be replaced, and then the connection mode of a second mounting roll 5 and the lower roll collar 9 is the same as that of the upper roll collar 1 and a first mounting roll 2, and the damaged lower roll collar 9 can be replaced in the same way.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A F-shaped steel rolling cogging pass is characterized by comprising the following steps:
the roll forming device comprises an upper roll collar (1), wherein a first mounting roll (2) penetrates through the interior of the upper roll collar (1), an upper roll pass middle wedge-shaped groove (7) is formed in the outer surface of the upper roll collar (1), and upper roll pass oblique lines (8) are arranged on two sides of the inner wall of the upper roll pass middle wedge-shaped groove (7);
lower roll collar (9), it installs go up the below of roll collar (1), wedge groove (6) in the middle of the lower roll pass has been seted up to the surface of lower roll collar (9), the inner wall both sides of wedge groove (6) in the middle of the lower roll pass are provided with lower roll pass slash (4), second installation roller (5) are worn to be equipped with in the inside of lower roll collar (9).
2. The F-shaped steel rolling cogging pass of claim 1, characterized in that the connection between the upper roll pass intermediate wedge-shaped groove (7) and the upper roll pass oblique line (8) is in a circular arc shape, and the connection between the lower roll pass oblique line (4) and the lower roll pass intermediate wedge-shaped groove (6) is in a circular arc shape.
3. The roll pass of F-section steel according to claim 2, characterized in that the gap between the left end of the upper roll ring (1) and the left end of the lower roll ring (9) is smaller than the gap between the right end of the upper roll ring (1) and the right end of the lower roll ring (9), and the shape size of the middle wedge groove (7) of the upper roll pass is smaller than the shape size of the middle wedge groove (6) of the lower roll pass.
4. An F-section rolling cogging pass according to claim 3, characterized in that said upper roll ring (1) is further provided with:
the limiting baffle (3) is installed on the left side of the upper roll collar (1), a positioning mounting hole (12) is formed in the inner portion of the upper roll collar (1), a limiting connecting column (10) is installed in the positioning mounting hole (12), a connecting thread portion (13) is arranged on the right side of the outer surface of the limiting connecting column (10), and a fixing bolt (11) is installed on the right side of the upper roll collar (1).
5. An F-shaped steel rolling cogging pass according to claim 4, characterized in that the first mounting roller (2) is fixedly connected with the limit baffle (3) in a whole manner, and the diameter of the limit baffle (3) is larger than that of the first mounting roller (2).
6. The F-shaped steel rolling cogging hole type according to claim 5, characterized in that the limiting baffle (3) is fixedly connected with the limiting connecting column (10) in an integrated manner, and the limiting connecting column (10) penetrates through the positioning and mounting hole (12).
7. The F-shaped steel rolling cogging pass of claim 6, wherein the fixing bolt (11) is in threaded connection with the limiting connecting column (10) through the connecting thread part (13), and the upper roll ring (1) is detachably connected with the first mounting roll (2) through the limiting baffle (3), the limiting connecting column (10), the fixing bolt (11), the positioning mounting hole (12) and the connecting thread part (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222291391.XU CN218134031U (en) | 2022-08-30 | 2022-08-30 | F-shaped steel rolling cogging pass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222291391.XU CN218134031U (en) | 2022-08-30 | 2022-08-30 | F-shaped steel rolling cogging pass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218134031U true CN218134031U (en) | 2022-12-27 |
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ID=84556252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222291391.XU Active CN218134031U (en) | 2022-08-30 | 2022-08-30 | F-shaped steel rolling cogging pass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218134031U (en) |
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2022
- 2022-08-30 CN CN202222291391.XU patent/CN218134031U/en active Active
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